| 摘要 |
<p>The present invention relates to the field of fiber-reactive dyes. Black dyeing mixtures of fiber-reactive dyes are known from U.S. Patents Nos 5,445,654 and 5,611,821 as well as from Korean Patent Application Publication No 94-2560. Deep black dye mixtures are known, for example, from Japanese Patent Application Publication Sho-58-160 362 which are based on a navy-blue disazo dye and an orange monoazo dye. However these dye mixtures have some deficiencies. With the present invention, deep black-dyeing dye mixtures of improved properties, for example wash fastnesses have unexpectedly been found, comprising a disazo dye conforming to the general formula (1), and ore or more disazo dyes conforming to the general formula (2).</p> |
